mirror of
https://github.com/actions/setup-node
synced 2024-11-14 01:22:40 +00:00
110 lines
4 KiB
Markdown
110 lines
4 KiB
Markdown
# setup-node
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<p align="left">
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<a href="https://github.com/actions/setup-node/actions?query=workflow%3Abuild-test"><img alt="build-test status" src="https://github.com/actions/setup-node/workflows/build-test/badge.svg"></a> <a href="https://github.com/actions/setup-node/actions?query=workflow%3Aversions"><img alt="versions status" src="https://github.com/actions/setup-node/workflows/versions/badge.svg"></a> <a href="https://github.com/actions/setup-node/actions?query=workflow%3Aproxy"><img alt="proxy status" src="https://github.com/actions/setup-node/workflows/proxy/badge.svg"></a>
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</p>
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This action provides the following functionality for GitHub Actions users:
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- Optionally downloading and caching distribution of the requested Node.js version, and adding it to the PATH
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- Optionally caching npm/yarn dependencies
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- Registering problem matchers for error output
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- Configuring authentication for GPR or npm
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# Usage
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See [action.yml](action.yml)
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**Basic:**
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```yaml
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steps:
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- uses: actions/checkout@v2
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- uses: actions/setup-node@v2
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with:
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node-version: '14'
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- run: npm install
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- run: npm test
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```
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The `node-version` input is optional. If not supplied, the node version from PATH will be used. However, it is recommended to always specify Node.js version and don't rely on the system one.
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The action will first check the local cache for a semver match. If unable to find a specific version in the cache, the action will attempt to download a version of Node.js. It will pull LTS versions from [node-versions releases](https://github.com/actions/node-versions/releases) and on miss or failure will fall back to the previous behavior of downloading directly from [node dist](https://nodejs.org/dist/).
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For information regarding locally cached versions of Node.js on GitHub hosted runners, check out [GitHub Actions Virtual Environments](https://github.com/actions/virtual-environments).
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#### Supported version syntax
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The `node-version` input supports the following syntax:
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major versions: `12`, `14`, `16`
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more specific versions: `10.15`, `14.2.0`, `16.3.0`
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nvm lts syntax: `lts/erbium`, `lts/fermium`, `lts/*`
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### Caching packages dependencies
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The action has a built-in functionality for caching and restoring npm/yarn dependencies. Supported package managers are `npm`, `yarn`. The `cache` input is optional, and caching is turned off by default.
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**Caching npm dependencies:**
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```yaml
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steps:
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- uses: actions/checkout@v2
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- uses: actions/setup-node@v2
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with:
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node-version: '14'
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cache: 'npm'
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- run: npm install
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- run: npm test
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```
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**Caching yarn dependencies:**
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```yaml
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steps:
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- uses: actions/checkout@v2
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- uses: actions/setup-node@v2
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with:
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node-version: '14'
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cache: 'yarn'
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- run: yarn install
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- run: yarn test
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```
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Yarn caching handles both yarn versions: 1 or 2.
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> At the moment, only `lock` files in the project root are supported.
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### Matrix Testing:
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```yaml
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jobs:
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build:
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runs-on: ubuntu-latest
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strategy:
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matrix:
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node: [ '12', '14', '16' ]
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name: Node ${{ matrix.node }} sample
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steps:
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- uses: actions/checkout@v2
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- name: Setup node
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uses: actions/setup-node@v2
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with:
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node-version: ${{ matrix.node }}
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- run: npm install
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- run: npm test
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```
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## Advanced usage
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1. [Check latest version](docs/advanced-usage.md#check-latest-version)
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2. [Using different architectures](docs/advanced-usage.md#architecture)
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3. [Using multiple operating systems and architectures](docs/advanced-usage.md#multiple-operating-systems-and-architectures)
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4. [Publishing to npmjs and GPR with npm](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-npm)
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5. [Publishing to npmjs and GPR with yarn](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-yarn)
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6. [Using private packages](docs/advanced-usage.md#use-private-packages)
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# License
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The scripts and documentation in this project are released under the [MIT License](LICENSE)
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# Contributions
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Contributions are welcome! See [Contributor's Guide](docs/contributors.md)
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## Code of Conduct
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:wave: Be nice. See [our code of conduct](CONDUCT)
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